What Is The Official First Day Of Spring

Cnn it s almost time to hang up those winter coats.

By the meteorological calendar spring will always start on 1 march. This date is considered to be the first day of spring. The spring equinox always occurs in the northern hemisphere on march 19 20 or 21. Meteorologically speaking the official first day of spring is march 1 and the last is may 31.

Weather scientists divide the year into quarters to make it easier to compare seasonal and monthly statistics from one year to the next. In the southern hemisphere the first day of spring occurs on or about september 21 which is the date of the autumnal equinox. In the us and uk spring months are march april and may. Traditionally we celebrate the first day of spring on march 21 but astronomers and calendar manufacturers alike now say that the spring season starts on march 20th in all time zones in north america.

The first day of spring also known as the vernal equinox occurs on or about march 21 in the northern hemisphere. The march vernal equinox is when the sun crosses the celestial equator moving from south to north. On the equinoxes the sun shines directly on the equator and the length of day and night is nearly equal. The season of flower blossoms pastel colors.

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The seasons are defined as spring march april may summer june july august autumn september. However if you prefer the astronomical point of view then you won t consider spring to have begun until the spring equinox. Updated 1906 gmt 0306 hkt march 20 2019 the first day of spring this year is on march 20. On that day day and night are evenly divided.

In ireland following the gaelic calendar spring is often defined as february march and april. The march or vernal equinox is when the sun crosses the celestial equator moving from south to north. In australia and new zealand spring begins on 1 september and ends on 30 november. Equinoxes happen in at the start of spring and autumn.

The date of the equinox changes from year to year to account for the fact that the earth doesn t take exactly 365. This date is considered to be the first day of spring.